<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

</body>
<script>
    var sum = (num1, num2) => { return num1 + num2; }
    console.log(sum(1,2))

    var test = ()=>({id:1,name:"damu"});
    console.log(test())
</script>
</html>